Frequencies for first 10,000 rows of revothr variable in namcs2007 dataset :

 percent of patient care revenue |
   from other methods of payment |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
                           blank |      1,575       15.75       15.75
less than or equal to 25 percent |      7,878       78.78       94.53
                   26-50 percent |        244        2.44       96.97
                   51-75 percent |         66        0.66       97.63
            more than 75 percent |        237        2.37      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016